Table 3 Comparison between the sensitivity and specificity of the conventional stethoscope and the Doppler Phonolyser in both male and female patients
From: Evaluation of the heart sounds in children using a Doppler Phonolyser
Hearing | Phonolyser | |||
|---|---|---|---|---|
Female | Male | Female | Male | |
Sensitivity | 95.5% | 93.8% | 89.8% | 91.2% |
Specificity | 94.4% | 95% | 66.4% | 72.1% |
PPV | 90.4% | 93% | 59.4% | 68.2% |
NPV | 97.5% | 95% | 92.3% | 92% |
LR + | 15.83 | 18.6 | 2.61 | 3.37 |
LR- | 0.05 | 0.07 | 0.16 | 0.12 |